The ""vanishing lady"" expert spins another smooth concotion of kidnaping, murder and another kidnapping. With an innocent girl planted as catspaw. A millionaire family is intimidated by first abduction and death, and when their daughter is taken, at the same place, in the same mysterious way, they are willing ransom victims. But the involuntary catspaw and her beau write finis to the plot. Good mechanics -- timing-make this an excellent suspense holder.